Apollo Radius - Manual (Page 69)

Problem Possible Reason Possible Solution
Grinding noise when
pedalling
Pedal bearings too tight
Bottom bracket bearings too
tight
Chain fouling derailleurs
Derailleur jockey wheels
dirty/binding
Adjust bearings
Adjust bearings
Adjust chain line
Clean and oil jockey wheels
Chain jumping off Chainring out of true Re-true if possible, or replace
chainwheel sprocket Chainring loose Secure mounting bolts
or chainring Chainring teeth bent or
broken
Repair or replace chainring/
set
Rear to front derailleur
side-to-side travel out of
adjustment
Alter derailleur travel
Freewheel does not
freewheel
Freewheel internal pawl pins
are jammed
Lubricate. If problem
persists, replace freewheel
Incorrect gear shifting Derailleur cables sticking/
stretched/damaged
Lubricate/tighten/replace
cables
Front or rear derailleur not
adjusted properly
Alter derailleurs
Indexed shifting not adjusted
properly
Alter indexing
Steering not accurate Wheels not aligned in frame
Headset loose or binding
Front forks or frame bent
Align wheels correctly
Adjust/secure headset
Consult bicycle mechanic for
frame realignment
Knocking from rear end of Broken suspension mount repair/replace frame
suspension model Worn suspension bushing Replace worn components
Suspension dampers binding Loss of internal fluid
Internal rust
Damaged internal parts
Lubricate as necessary
Disassemble damper and
replace affected parts
Consult professional bicycle
mechanic
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Updated 23/05/07 RAOM0507 Apollo Bicycle Company Pty. Ltd. ABN: 60 001 914 469